Home / 12,672.68-19,010.04-3,907.60

Finding the Fourth Proportional to 12,672.68, 19,010.04 and 3,907.60

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Solution

The fourth proportional to 12,672.68, 19,010.04 and 3,907.60 is: 5,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.68 : 19,010.04 = 3,907.60 : x
  2. Step 2: Convert to fraction form
    12,672.68/19,010.04 = 3,907.60/x
  3. Step 3: Cross multiply
    12,672.68x = 19,010.04 × 3,907.60
  4. Step 4: Simplify right side
    12,672.68x = 74,283,632.30
  5. Step 5: Solve for x
    x = 74,283,632.30/12,672.68
  6. Step 6: Final answer
    x = 5,861.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.